Aquatic Parasite Observatory

Hannemania spp. (Oudemans, 1911)

    • Species Name: Hannemania spp. (Oudemans, 1911)
    • Synonyms: None
    • Taxonomy: (Oudemans, 1911) Animalia, Arthropoda, Arachnida, Trombidiformes, Trombiculidae, Hannemania spp.
    • Description: "Body constricted, figure 8-shaped. Posterior body setae elongated, not expanded, each ending in hooklike spine. Body size medium to large (.9-1.2mm) Eyes 2/2. Adjacent body setae of similar lengths. Sternal area sclerotized. Legs not unusually elongated; branched setae not expanded. Cheliceral blade shearlike. Palpus stout, size moderate to large; claw moderate in size; tarsus with about ten to twenty branched setae and five apical nude setae. Hypostome pointed, projecting; with about eight apical nude setae and numerous ventral branched setae. Basis capituli normal to short and broad in shape. Tectum well-sclerotized; tectal setae elongated, not expanded. Crista a narrow rod. Sensillary area oval; mean ratio ASL/SB: 3.7-4.5. About fifty parascutal setae” (Crossley, 1960).
    • Life Cycle: “Follow the typical life cycle of Parasitengona, including three active instars ( Wohltmann 2001a), of which the larva is the only parasitic stage” (Wohltmann et al., 2006).
    • Sources: Crossley, D.A. 1960. Comparative external morphology and taxonomy of nymphs of the Trombiculidae (Acarina). University of Kansas Science Bulletin, Vol. 40, p. 135-321.
    • Wohltmanna, A., Köhlerb, J., and Martin, P. 2006. Endoparasitic mite infections of anuran amphibians from Bolivian montane rain forests, with descriptions of two new Hannemania species (Acari: Parasitengona: Trombiculidae: Leeuwenhoekiinae). Organisms Diversity & Evolution. Vol. 6, Issue 2, p. 141–150.
    • APO Parasite Records: (by Life Cycle)

Parasite Images:


  • University of Colorado Boulder